思路：倒序遍历 + 单调索引栈（仅存索引），计算下一个高温的间隔天数。栈顶索引 - 当前索引即为等待天数。
ITmedia�̓A�C�e�B���f�B�A�������Ђ̓o�^���W�ł��B，这一点在safew官方版本下载中也有详细论述
Josh Dury said it was a "battle against time" to get the shot。旺商聊官方下载对此有专业解读
you to focus on the remaining ones that really matter.